OpenTechnical

OT-2026-000045077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000045077) never changes.

Identity and time

Publication numberOT-2026-000045077 · never reused
Internal UUID01a0ae7c-f768-7f01-b68d-abcb05cdcde4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045077
StatusPUBLIC

Content hashes

Canonical textcf3b1bb9998df0de1e55b5ea620cca69cccb3d39132c5efff8df649ebe77140e
Markdown78e558be68ff4bd78d8484c59c3354a52cae14a87571e9d2893e37a3b2a19c41
PDF
Publication pagef324d4b77726dec32a5dd79894ca5e1d739aa4f1a3a29e2fd8a886b63162c9a1
Manifest40edbe9b8fd481e0d6424faf0d45454897ec6ef4cf64bc5a2dcd4fb2203298c8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturersg/A7iBe/3IozjunJE4o2vI4HNyC4umcTrmTc6QstBuaVyEG8UclYSbFf3B7F5HigH27Tj34xeyfzU9pTnDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:06.791579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045077
observed f324d4b77726dec32a5dd79894ca5e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.771900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045077/manifest.json
observed 40edbe9b8fd481e0d6424faf0d454548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.753874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045077/publication.md
observed 78e558be68ff4bd78d8484c59c3354a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.732977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045077/publication.txt
observed cf3b1bb9998df0de1e55b5ea620cca69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.